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Keywords: Dictyostelium discoideum
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Journal Articles
J Cell Sci (2020) 133 (13): jcs242974.
Published: 6 July 2020
...Cristina Bosmani; Florence Leuba; Nabil Hanna; Frauke Bach; Frédéric Burdet; Marco Pagni; Monica Hagedorn; Thierry Soldati ABSTRACT Flotillins are lipid raft residents involved in membrane trafficking and recycling of plasma membrane proteins. Dictyostelium discoideum uses phagocytosis to kill...
Includes: Supplementary data
Journal Articles
J Cell Sci (2018) 131 (17): jcs218040.
Published: 3 September 2018
... and uptake of mycobacteria, respectively, and generally in host cell defences against intracellular pathogens. Here, we show that the Dictyostelium discoideum LIMP-2 homologue LmpA regulates phagocytosis and phagolysosome biogenesis. The lmpA knockdown mutant is highly affected in actin-dependent processes...
Includes: Supplementary data
Journal Articles
J Cell Sci (2017) 130 (18): 3158–3172.
Published: 15 September 2017
...Hironori Inaba; Koji Yoda; Hiroyuki Adachi ABSTRACT Macropinocytosis involves the uptake of large volumes of fluid, which is regulated by various small GTPases. The Dictyostelium discoideum protein GflB is a guanine nucleotide exchange factor (GEF) of Rap1, and is involved in chemotaxis. Here, we...
Includes: Supplementary data
Journal Articles
J Cell Sci (2014) 127 (6): 1279–1292.
Published: 15 March 2014
...Joern Linkner; Gregor Witte; Hongxia Zhao; Alexander Junemann; Benjamin Nordholz; Petra Runge-Wollmann; Pekka Lappalainen; Jan Faix ABSTRACT Here, we analyzed the single inverse Bin/Amphiphysin/Rvs (I-BAR) family member IBARa from Dictyostelium discoideum . The X-ray structure of the N-terminal I...
Includes: Supplementary data
Journal Articles
J Cell Sci (2013) 126 (1): 301–311.
Published: 1 January 2013
...Barbara Peracino; Simona Buracco; Salvatore Bozzaro Summary The Dictyostelium discoideum genome harbors two genes encoding members of the Nramp superfamily, which is conserved from bacteria (MntH proteins) to humans (Slc11 proteins). Nramps are proton-driven metal ion transporters with a preference...
Includes: Supplementary data
Journal Articles
J Cell Sci (2010) 123 (10): 1724–1731.
Published: 15 May 2010
...Colin P. McCann; Paul W. Kriebel; Carole A. Parent; Wolfgang Losert Collective migration is a key feature of the social amoebae Dictyostelium discoideum , where the binding of chemoattractants leads to the production and secretion of additional chemoattractant and the relay of the signal...
Includes: Multimedia, Supplementary data
Journal Articles
J Cell Sci (2009) 122 (21): 3907–3914.
Published: 1 November 2009
...-dependent protein kinase of Dictyostelium discoideum. Biochemistry 32 , 9532 -9538. Anjard, C., Soderbom, F. and Loomis, W. F. ( 2001 ). Requirements for the adenylyl cyclases in the development of Dictyostelium. Development 128 , 3649 -3654. Aubry, L. and Firtel, R. A. ( 1999...
Includes: Multimedia, Supplementary data
Journal Articles
J Cell Sci (2008) 121 (20): 3433–3444.
Published: 15 October 2008
...-mail: t.ohalloran@mail.utexas.edu ) 21 7 2008 © The Company of Biologists Limited 2008 2008 ENTH Membrane traffic Clathrin Spore development Cytokinesis PtdIns(4,5) P 2 Dictyostelium discoideum Clathrin-mediated endocytosis is a highly conserved process in which...
Journal Articles
J Cell Sci (2008) 121 (10): 1750–1757.
Published: 15 May 2008
..., we show by single-molecule microscopy an agonist-induced increase in the mobile fraction of cAMP-receptor at the leading edge of chemotacting Dictyostelium discoideum cells. The onset of receptor mobility was correlated to the uncoupling and activation of the Gα2-protein. A finite-element simulation...
Includes: Supplementary data
Journal Articles
J Cell Sci (2007) 120 (14): 2338–2343.
Published: 15 July 2007
...Steve J. Charette; Pierre Cosson Chediak-Higashi syndrome (CHS) is characterized at the cellular level by a defect in the ability of cells to secrete lysosomes. However, the precise step affected in the secretion process is unclear. We characterized Dictyostelium discoideum cells containing...
Includes: Supplementary data
Journal Articles
J Cell Sci (2007) 120 (9): 1624–1634.
Published: 1 May 2007
... ) 28 2 2007 © The Company of Biologists Limited 2007 2007 Traction forces Myosin II Myosin essential light chain Movement Dictyostelium discoideum It is generally accepted that cell movement requires the production of myosin-II-dependent contractile forces at the cell rear...
Includes: Multimedia, Supplementary data
Journal Articles
J Cell Sci (2006) 119 (19): 4079–4087.
Published: 1 October 2006
... to the phagosome, but little is known about membrane sorting during the early stages of phagosome formation. Here we used Dictyostelium discoideum amoebae to analyze the membrane composition of newly formed phagosomes. The membrane delimiting the closing phagocytic cup was essentially derived from the plasma...
Journal Articles
J Cell Sci (2006) 119 (18): 3833–3844.
Published: 15 September 2006
... Bleb Filopodia Chemotaxis Osmolarity Myosin II Oscillation Dictyostelium discoideum Eukaryotic cells have evolved a wide variety of motility mechanisms, such as the use of ciliae and flagellae, but many, including amoebae and metazoan cells, are able to migrate in three-dimensional...
Includes: Multimedia, Supplementary data
Journal Articles
J Cell Sci (2006) 119 (5): 837–845.
Published: 1 March 2006
...Valentina Mercanti; Cédric Blanc; Yaya Lefkir; Pierre Cosson; François Letourneur The mechanisms responsible for the targeting of transmembrane integral proteins to the contractile vacuole (CV) network in Dictyostelium discoideum are unknown. Here we show that the transfer of the cytoplasmic...
Journal Articles
J Cell Sci (2006) 119 (3): 550–558.
Published: 1 February 2006
... reorganization. Here we describe the cellular localization of myosin-IE and its role in the phagocytic uptake of solid particles and cells. A complete analysis of the kinetic and motor properties of Dictyostelium discoideum myosin-IE was achieved by the use of motor domain constructs with artificial lever arms...
Includes: Multimedia, Supplementary data
Journal Articles
J Cell Sci (2005) 118 (15): 3445–3458.
Published: 1 August 2005
...Sébastien Fache; Jérémie Dalous; Mads Engelund; Christian Hansen; François Chamaraux; Bertrand Fourcade; Michel Satre; Peter Devreotes; Franz Bruckert Application of hydrodynamic mild shear stress to adherent Dictyostelium discoideum vegetative cells triggers active actin cytoskeleton...
Includes: Multimedia, Supplementary data
Journal Articles
J Cell Sci (2005) 118 (10): 2225–2237.
Published: 15 May 2005
... chain phosphorylation Dictyostelium discoideum For experimental purposes, JH10 cells were grown in liquid HL-5 medium ( Cocucci and Sussman, 1970 ) supplemented with 100 μg/ml thymidine. All other strains were grown first in HL-5 medium plus 10 μg/ml G418 for selection and then in HL-5 medium...
Journal Articles
J Cell Sci (2004) 117 (25): 6053–6059.
Published: 1 December 2004
... difficult to observe in mammalian cells. Taking advantage of the simplicity of the endosomal structure in Dictyostelium discoideum , we could visualize intraendosomal budding at the ultrastructural level. In this model organism, the drug U18666A was shown to stimulate intra-endosomal budding, while...
Journal Articles
J Cell Sci (2003) 116 (21): 4331–4343.
Published: 1 November 2003
... were determined at three shear stress values. Data are representative of several experiments. 26 6 2003 © The Company of Biologists Limited 2003 2003 Motility Hydrodynamic flow Mechanosensitivity Dictyostelium discoideum * Author for correspondence (e-mail...
Includes: Multimedia, Supplementary data
Journal Articles
J Cell Sci (2003) 116 (19): 3985–3999.
Published: 1 October 2003
... of pseudopod formation in Dictyostelium discoideum . We examined three members of the myosin I family, one amoeboid, MyoB, and two short, MyoA and MyoB, for shared, unique and redundant functions in motility and chemotaxis. We used computer-assisted methods for reconstructing and motion analyzing cells...